Template:Selected anniversaries/June 18: Difference between revisions
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||1858: Charles Darwin receives a paper from Alfred Russel Wallace that includes nearly identical conclusions about evolution as Darwin's own, prompting Darwin to publish his theory. Pics. | ||1858: Charles Darwin receives a paper from Alfred Russel Wallace that includes nearly identical conclusions about evolution as Darwin's own, prompting Darwin to publish his theory. Pics. | ||
||1865: Physicist Friedrich Carl Alwin Pockels born. He discovered that a steady electric field applied to certain birefringent materials causes the refractive index to vary, approximately in proportion to the strength of the field. This phenomenon is now called the Pockels effect. Pic search | ||1865: Physicist Friedrich Carl Alwin Pockels born. He discovered that a steady electric field applied to certain birefringent materials causes the refractive index to vary, approximately in proportion to the strength of the field. This phenomenon is now called the Pockels effect. Pic search. | ||
||1865: Emil Albert Knoevenagel born ... chemist who established the Knoevenagel condensation reaction. The Knoevenagel condensation reaction of benzaldehydes with nitroalkanes is a classic general method for the preparation of nitroalkenes. Pic. | ||1865: Emil Albert Knoevenagel born ... chemist who established the Knoevenagel condensation reaction. The Knoevenagel condensation reaction of benzaldehydes with nitroalkanes is a classic general method for the preparation of nitroalkenes. Pic. | ||
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||1867: Thaddeus Cahill born ... inventor of the early 20th century. He is widely credited with the invention of the first electromechanical musical instrument, which he dubbed the telharmonium. His idea proved to be fruitful, nearly a century later, with the advent of streaming media. Pic. | ||1867: Thaddeus Cahill born ... inventor of the early 20th century. He is widely credited with the invention of the first electromechanical musical instrument, which he dubbed the telharmonium. His idea proved to be fruitful, nearly a century later, with the advent of streaming media. Pic. | ||
||1870: Édouard Le Roy born ... mathematician and philosopher. Le Roy especially interested himself to the relations between science and morality. Along with Henri Poincaré and Pierre Duhem, he supported a conventionalist thesis on the foundation of mathematics. Pic search | ||1870: Édouard Le Roy born ... mathematician and philosopher. Le Roy especially interested himself to the relations between science and morality. Along with Henri Poincaré and Pierre Duhem, he supported a conventionalist thesis on the foundation of mathematics. Pic search. | ||
||1873: Susan B. Anthony is fined $100 for attempting to vote in the 1872 presidential election. Pic. | ||1873: Susan B. Anthony is fined $100 for attempting to vote in the 1872 presidential election. Pic. | ||
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||1913: Mathematician Oswald Teichmüller born. Pic. | ||1913: Mathematician Oswald Teichmüller born. Pic. | ||
||1915: Alice T. Schafer born ... mathematician. As a teacher, Alice especially reached out to students who had difficulties with or were afraid of mathematics, by designing special classes for them. Pic search | ||1915: Alice T. Schafer born ... mathematician. As a teacher, Alice especially reached out to students who had difficulties with or were afraid of mathematics, by designing special classes for them. Pic search. | ||
||1918: Jerome Karle born ... chemist and academic, Nobel Prize laureate. Pic. | ||1918: Jerome Karle born ... chemist and academic, Nobel Prize laureate. Pic. | ||
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||1935: Mathematician Alexander Wilhelm von Brill born. Chasles–Cayley–Brill formula; Brill–Noether theory. Pic. | ||1935: Mathematician Alexander Wilhelm von Brill born. Chasles–Cayley–Brill formula; Brill–Noether theory. Pic. | ||
||1939: John E. Baldwin born ... contributed to the development of interferometry in Radio Astronomy, and later astronomical optical interferometry and lucky imaging; and made the first maps of the radio emission from the Andromeda Galaxy. Pic. | |||
||1971: Paul Karrer dies ... chemist and academic, Nobel Prize laureate ... vitamins. Pic. | ||1971: Paul Karrer dies ... chemist and academic, Nobel Prize laureate ... vitamins. Pic. | ||
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||1988: Roger Conant Lyndon dies ... mathematician, for many years a professor at the University of Michigan. He is known for Lyndon words, the Curtis–Hedlund–Lyndon theorem, Craig–Lyndon interpolation and the Lyndon–Hochschild–Serre spectral sequence. Pic: https://fr.wikipedia.org/wiki/Roger_Lyndon | ||1988: Roger Conant Lyndon dies ... mathematician, for many years a professor at the University of Michigan. He is known for Lyndon words, the Curtis–Hedlund–Lyndon theorem, Craig–Lyndon interpolation and the Lyndon–Hochschild–Serre spectral sequence. Pic: https://fr.wikipedia.org/wiki/Roger_Lyndon | ||
||1989: George Claude Pimentel dies ... inventor of the chemical laser. He also developed the technique of matrix isolation in low-temperature chemistry. In theoretical chemistry, he proposed the three-center four-electron bond which is now accepted as the best simple model of hypervalent molecules. In the late 1960s, Pimentel led the University of California team that designed the infrared spectrometer for the Mars Mariner 6 and 7 missions that analyzed the surface and atmosphere of Mars. Pic search | ||1989: George Claude Pimentel dies ... inventor of the chemical laser. He also developed the technique of matrix isolation in low-temperature chemistry. In theoretical chemistry, he proposed the three-center four-electron bond which is now accepted as the best simple model of hypervalent molecules. In the late 1960s, Pimentel led the University of California team that designed the infrared spectrometer for the Mars Mariner 6 and 7 missions that analyzed the surface and atmosphere of Mars. Pic search. | ||
||1991: Marshall Glecker Holloway dies ... physicist who worked at the Los Alamos Laboratory during and after World War II. He was its representative, and the deputy scientific director, at the Operation Crossroads nuclear tests at Bikini Atoll in the Pacific in July 1946. Holloway became the head of the Laboratory's W Division, responsible for new weapons development. In September 1952 he was charged with designing, building and testing a thermonuclear weapon, popularly known as a hydrogen bomb. This culminated in the Ivy Mike test in November of that year. Pic. | ||1991: Marshall Glecker Holloway dies ... physicist who worked at the Los Alamos Laboratory during and after World War II. He was its representative, and the deputy scientific director, at the Operation Crossroads nuclear tests at Bikini Atoll in the Pacific in July 1946. Holloway became the head of the Laboratory's W Division, responsible for new weapons development. In September 1952 he was charged with designing, building and testing a thermonuclear weapon, popularly known as a hydrogen bomb. This culminated in the Ivy Mike test in November of that year. Pic. | ||
||2005: Manuel Sadosky dies ... mathematician and academic ... the father of computer science studies in Argentina. Pic search | ||2005: Manuel Sadosky dies ... mathematician and academic ... the father of computer science studies in Argentina. Pic search. | ||
||2006: The first Kazakh space satellite, KazSat-1 is launched. | ||2006: The first Kazakh space satellite, KazSat-1 is launched. | ||
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||2014: Stephanie Kwolek dies ... chemist and engineer ... Kevlar. Pic. | ||2014: Stephanie Kwolek dies ... chemist and engineer ... Kevlar. Pic. | ||
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Latest revision as of 19:19, 6 February 2022
1178: Five Canterbury monks see what is possibly the Giordano Bruno crater being formed. It is believed that the current oscillations of the Moon's distance from the Earth (on the order of meters) are a result of this collision.
1348: Physician and academic Gentile Gentili da Foligno dies. Da Foligno was among the first European physicians to perform a dissection on a human being (1341).
1910: Statistician Maurice Stevenson Bartlett born. Bartlett will make contributions to the analysis of data with spatial and temporal patterns, the theory of statistical inference, and multivariate analysis.
1922: Astronomer and academic Jacobus Kapteyn dies. Kapteyn conducted extensive studies of the Milky Way using photography and statistical methods to determine the motions and distribution of stars, discovering evidence for galactic rotation.
1974: Mathematician and academic Júlio César de Mello e Souza dies. He is well known in Brazil and abroad by his books on recreational mathematics, most of them published under the pen names of Malba Tahan and Breno de Alencar Bianco.